Artificial hole digging pile protection device

By designing a protective device with a support frame and sliding adjustment block, the problems of unsuitability and inconvenient installation of existing bored pile protective devices are solved, achieving flexible protection and improved safety for bored piles.

CN224300485UActive Publication Date: 2026-05-29THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD
Filing Date
2025-04-23
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing protective devices for manually excavated bored piles have problems such as inconspicuous markings, easy damage, and unsuitability for porous sites, leading to safety hazards. Furthermore, they are inconvenient to install and dismantle.

Method used

A protective device comprising a support frame, a sliding adjustment block, and a protective plate was designed. The device provides flexible protection for bored piles through support rods and a limiting structure, and is fixed by the sliding adjustment block and fastening bolts.

Benefits of technology

It features a simple structure and easy use, effectively improving the safety of the construction process and meeting the protection needs of porous sites.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224300485U_ABST
    Figure CN224300485U_ABST
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Abstract

The utility model provides a kind of artificial hole digging pile protective device, belong to building construction field.Its technical scheme is: including support frame, a plurality of limiting adjusting blocks being set on support frame, support frame includes central seat, three mounting slots are evenly provided with on central seat side surface at intervals, supporting rod piece is arranged in mounting slot, limiting adjusting block is arranged on supporting rod piece, supporting rod piece includes plug-in block, plug-in block is arranged in mounting slot, guide cross bar and adjusting screw are arranged in plug-in block side surface, guide cross bar and adjusting screw are arranged in parallel, support block is arranged in guide cross bar and adjusting screw end, guide cross bar and adjusting screw periphery are provided with sliding adjusting block, limiting support frame is arranged in sliding adjusting block bottom.The utility model has the beneficial effects of: simple structure, convenient to use, can carry out protection to hole pile hole mouth, greatly improves the safety of construction process.
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Description

Technical Field

[0001] This utility model relates to the field of building construction, and in particular to a protective device for manually excavated bored piles. Background Technology

[0002] With the continuous development of my country's infrastructure, there are more and more pile foundation projects. Safety accidents caused by inadequate protection of bored piles occur frequently, especially in manually excavated bored pile projects.

[0003] Manually excavated bored piles are formed by manually digging holes, with the minimum diameter being over 800mm and the depth being quite deep. The hole openings are exposed, posing a significant safety hazard. Existing steel mesh protection has issues such as inconspicuous markings, making it easy for people to step on it and fall into the hole. The installation and dismantling of railings and fences are also cumbersome and cannot be flexibly arranged, making them unsuitable for sites with many hole openings. Utility Model Content

[0004] The purpose of this utility model is to provide a protective device for manually excavated bored piles that is simple in structure, easy to use, and can protect the opening of bored piles, greatly improving the safety of the construction process.

[0005] This utility model is achieved through the following measures:

[0006] A protective device for manually excavated bored piles, characterized in that it includes a support frame and a plurality of sliding adjustment blocks disposed on the support frame;

[0007] The support frame includes a central seat, and three mounting slots are evenly spaced on the side of the central seat. Support rods are installed in the mounting slots, and the sliding adjustment blocks are installed on the support rods.

[0008] The support rod includes an insert block, which is disposed in the mounting groove. A guide crossbar and an adjusting screw are provided on the side of the insert block. The guide crossbar and the adjusting screw are arranged in parallel. A support block is provided at the end of the guide crossbar and the adjusting screw. A sliding adjusting block is provided around the guide crossbar and the adjusting screw. A limit support is provided at the bottom of the sliding adjusting block.

[0009] Preferably, the bottom of the sliding adjustment block is higher than the bottom of the support block.

[0010] The specific features of this utility model also include:

[0011] The sliding adjustment block has a pair of through holes, the guide crossbar and the adjusting screw are set in the corresponding through holes, and the sliding adjustment block is provided with an adjusting nut on the side close to the support block and the outer periphery of the adjusting screw.

[0012] The side of the support block is provided with a limiting insert corresponding to the positions of the guide crossbar and the adjusting screw, and the ends of the guide crossbar and the adjusting screw are inserted into the corresponding limiting inserts.

[0013] The top surface of the center seat has a threaded hole that extends into the mounting groove. The insert block has a limit hole corresponding to the position of the threaded hole, and a limit bolt is provided in the threaded hole and the limit hole.

[0014] The support rod includes a pair of vertical rods disposed at the bottom of the sliding adjustment block, and a plurality of parallel support horizontal rods are disposed on the pair of vertical rods.

[0015] A limiting cylinder is provided at the top center of the central seat, and a connecting post is provided in the limiting cylinder. A protective plate is provided at the end of the connecting post.

[0016] The top surface of the sliding adjustment block is provided with a fastening threaded hole corresponding to the position of the guide crossbar, which communicates with the through hole. A fastening bolt is provided in the fastening threaded hole, and the end of the fastening bolt passes through the fastening threaded hole and abuts against the guide crossbar.

[0017] During assembly, select the support rod of appropriate length according to the size of the bored pile, install the sliding adjustment block on the periphery of the guide crossbar and the adjusting screw, then install the support block on the end of the adjusting screw and the guide crossbar, then install the insert block in the corresponding mounting groove and tighten it with the limiting bolt, and install the assembled support rod in the mounting groove of the center seat before on-site installation.

[0018] During on-site installation, the support blocks at the ends of the support frames around the central seat are placed on top of the bored pile, and the limiting supports under the sliding adjustment blocks are placed inside the bored pile. Then, the sliding adjustment blocks are slid to press the limiting supports against the inner wall of the bored pile, and the sliding adjustment is limited by the fastening bolts. After all the sliding adjustment blocks are adjusted into place, the protective plate is installed on the central seat to complete the installation.

[0019] The advantages of this utility model are: simple structure, easy to use, and able to protect the opening of the bored pile, greatly improving the safety of the construction process. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0021] Figure 2 This is a structural schematic diagram of an embodiment of the present utility model.

[0022] Figure 3This is a schematic diagram of the structure of the central seat in an embodiment of this utility model.

[0023] Figure 4 This is a schematic diagram of the support frame in an embodiment of the present utility model.

[0024] Figure 5 This is a top view of the structure of an embodiment of the present invention.

[0025] Figure 6 This is a structural diagram showing the usage state of an embodiment of the present invention.

[0026] The attached diagram is labeled as follows: 1. Support frame; 2. Protective plate; 3. Center seat; 301. Limiting insert; 302. Limiting bolt; 303. Threaded hole; 304. Mounting groove; 4. Insert block; 401. Limiting insertion hole; 5. Guide crossbar; 6. Adjusting screw; 7. Support block; 701. Limiting insert; 8. Limiting support frame; 801. Vertical rod; 802. Supporting crossbar; 9. Sliding adjusting block; 901. Fastening bolt; 10. Bored pile. Detailed Implementation

[0027] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0028] See Figure 1-6 A protective device for manually excavated bored piles 10 includes a support frame 1 and several sliding adjustment blocks 9 disposed on the support frame 1;

[0029] The support frame 1 includes a central seat 3. Three mounting slots 304 are evenly spaced on the side of the central seat 3. Support rods are installed in the mounting slots 304, and sliding adjustment blocks 9 are installed on the support rods.

[0030] The support rod includes a plug 4, which is set in the mounting groove 304. A guide crossbar 5 and an adjusting screw 6 are provided on the side of the plug 4. The guide crossbar 5 and the adjusting screw 6 are arranged in parallel. A support block 7 is provided at the end of the guide crossbar 5 and the adjusting screw 6. A sliding adjusting block 9 is provided around the guide crossbar 5 and the adjusting screw 6. A limit support 8 is provided at the bottom of the sliding adjusting block 9.

[0031] Preferably, the bottom of the sliding adjustment block 9 is higher than the bottom of the support block 7.

[0032] The sliding adjustment block 9 has a pair of through holes, and the guide bar 5 and the adjusting screw 6 are set in the corresponding through holes. The sliding adjustment block 9 is close to the support block 7 and the adjusting screw 6 is surrounded by an adjusting nut.

[0033] A limiting insert 301 is provided on the side of the support block 7 corresponding to the positions of the guide crossbar 5 and the adjusting screw 6, and the ends of the guide crossbar 5 and the adjusting screw 6 are inserted into the corresponding limiting insert 301.

[0034] The top surface of the center seat 3 has a threaded hole 303 that extends into the mounting groove 304. The insert block 4 has a limit insertion hole 401 corresponding to the threaded hole 303. Limit bolts 302 are provided in the threaded hole 303 and the limit insertion hole 401.

[0035] The support rods include a pair of vertical rods 801 set at the bottom of the sliding adjustment block 9, and a number of parallel support crossbars 802 set on the pair of vertical rods 801.

[0036] A limiting cylinder 701 is provided at the top center of the center seat 3. A connecting pin is provided in the limiting cylinder 701, and a protective plate 2 is provided at the end of the connecting pin.

[0037] The top surface of the sliding adjustment block 9 is provided with a fastening threaded hole 303 that communicates with the through hole at the position corresponding to the guide crossbar 5. A fastening bolt 901 is provided in the fastening threaded hole 303, and the end of the fastening bolt 901 passes through the fastening threaded hole 303 and abuts against the guide crossbar 5.

[0038] During assembly, select support rods of appropriate length according to the size of the bored pile 10, install sliding adjustment block 9 around guide crossbar 5 and adjusting screw 6, then install support block 7 at the end of adjusting screw 6 and guide crossbar 5, then install insert block 4 in the corresponding mounting groove 304 and tighten it with limit bolt 302, and install the assembled support rods in the mounting groove 304 of the center seat 3 before on-site installation.

[0039] During on-site installation, the support blocks 7 at the ends of the support frames 1 around the center seat 3 are placed on top of the bored pile 10, and the limiting supports 8 below several sliding adjustment blocks 9 are placed inside the bored pile 10. Then, the sliding adjustment blocks 9 are slid to press the limiting supports 8 against the inner wall of the bored pile 10, and the sliding adjustment is limited by the fastening bolts 901. After several sliding adjustment blocks 9 are adjusted into place, the protective plate 2 is installed on the center seat 3 to complete the installation.

[0040] The technical features of this utility model not described can be implemented by or by using existing technology, and will not be repeated here. Of course, the above description is not a limitation of this utility model, and this utility model is not limited to the examples above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model should also be within the protection scope of this utility model.

Claims

1. A protective device for manually excavated bored piles, characterized in that, Includes a support frame and several sliding adjustment blocks disposed on the support frame; The support frame includes a central seat, and three mounting slots are evenly spaced on the side of the central seat. Support rods are installed in the mounting slots, and the sliding adjustment blocks are installed on the support rods. The support rod includes an insert block disposed in the mounting groove. A guide crossbar and an adjusting screw are provided on the side of the insert block. The guide crossbar and the adjusting screw are arranged in parallel. A support block is provided at the end of the guide crossbar and the adjusting screw. A sliding adjusting block is provided around the guide crossbar and the adjusting screw. A limit support is provided at the bottom of the sliding adjusting block.

2. The protective device for manually excavated bored piles according to claim 1, characterized in that, The sliding adjustment block has a pair of through holes, the guide crossbar and the adjusting screw are set in the corresponding through holes, and the sliding adjustment block is provided with an adjusting nut on the side close to the support block and the outer periphery of the adjusting screw.

3. The protective device for manually excavated bored piles according to claim 2, characterized in that, The side of the support block is provided with a limiting insert corresponding to the positions of the guide crossbar and the adjusting screw, and the ends of the guide crossbar and the adjusting screw are inserted into the corresponding limiting inserts.

4. The protective device for manually excavated bored piles according to claim 3, characterized in that, The top surface of the center seat has a threaded hole that extends into the mounting groove. The insert block has a limit hole corresponding to the position of the threaded hole, and a limit bolt is provided in the threaded hole and the limit hole.

5. The protective device for manually excavated bored piles according to claim 4, characterized in that, The support rod includes a pair of vertical rods disposed at the bottom of the sliding adjustment block, and a plurality of parallel support horizontal rods are disposed on the pair of vertical rods.

6. The protective device for manually excavated bored piles according to claim 5, characterized in that, A limiting insert is provided at the top center of the center seat, and a connecting post is provided in the limiting insert. A protective plate is provided at the end of the connecting post.

7. The protective device for manually excavated bored piles according to claim 6, characterized in that, The top surface of the sliding adjustment block is provided with a fastening threaded hole corresponding to the position of the guide crossbar, which communicates with the through hole. A fastening bolt is provided in the fastening threaded hole, and the end of the fastening bolt passes through the fastening threaded hole and abuts against the guide crossbar.